Micronaut, Dragon-Slayer (Spring/boot) or just another framework
summary
Compares a Spring Boot and a Micronaut REST API that include H2 + JPA persistence, Thymeleaf views and basic login security, all on Java 11. Both implementations run and the demos work; Spring generates less boilerplate for repositories while Micronaut needs explicit code. Build times: Spring ~11s, Micronaut ~18–21s. Startup: Spring ~15–17s, Micronaut ~4–7s. Runtime memory: Spring ~190 MB, Micronaut ~80 MB. Micronaut supports GraalVM today; Spring does not yet in this demo.
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chapters (8)
- 0:00Introduction and motivation
- 7:24Why consider Micronaut
- 13:51Live coding Micronaut setup
- 27:43Building REST API with Micronaut
- 33:20Adding security and templates
- 40:04Comparing performance metrics
- 43:59When to choose Micronaut
- 46:30Q&A session
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